locality 4, Swan Hills (Cretaceous to of Canada)

Where: Alberta, Canada (54.8° N, 115.5° W: paleocoordinates 62.8° N, 86.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Paskapoo Formation, Maastrichtian to Maastrichtian (72.1 - 61.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; volcaniclastic claystone and poorly lithified, argillaceous sandstone

• "fresh-water"
• "Bentonitic clay and soft, clayey sandstone"

Size class: mesofossils

Collected by L. Russell in 1965

Primary reference: L. S. Russell. 1967. Palaeontology of the Swan Hills area, north-central Alberta. Life Science Contribution, Royal Ontario Museum 71:1-31 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 46099: authorized by Matthew Carrano, entered by Matthew Carrano on 03.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Architaenioglossa - Viviparidae
 Basommatophora - Physidae